CN104297101B - Mud density measurement instrument for well drilling and preparation method thereof - Google Patents
Mud density measurement instrument for well drilling and preparation method thereof Download PDFInfo
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- CN104297101B CN104297101B CN201410502299.0A CN201410502299A CN104297101B CN 104297101 B CN104297101 B CN 104297101B CN 201410502299 A CN201410502299 A CN 201410502299A CN 104297101 B CN104297101 B CN 104297101B
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- test port
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- penetron
- drilling mud
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Abstract
The invention discloses a mud density measurement instrument for well drilling. The mud density measurement instrument is composed of a sensor control box, a pressure-sensing gas guide pipe, a gas guide pipe, a gas source inlet hole, a gas source box, a testing port, a testing hole, a differential pressure transducer and other parts which are matched with one another; the material of the testing port is improved to achieve the purposes of improving the corrosion resistance, high-pressure resistance, high-temperature resistance of the measurement instrument; the main material of the testing port is an unsaturated polyester resin material and is excellent in curing and forming performances; and polymerization inhibitors are added in the final stage of the curing reaction, the traditional preparation method is changed, and the curing reaction can be thoroughly carried out under the action of the polymerization inhibitor.
Description
Technical field
The present invention relates to a kind of drilling well measuring instrument, more particularly, to a kind of drilling mud penetron and its preparation side
Method.
Background technology
Drilling fluid, is commonly called as drilling mud (drilling mud), is acknowledged as the blood of oil drilling, in drillng operation
Play very important effect, mainly have: bottom-hole cleaning, suspension cutting carring, keep well cleaning;Equilibrium strata pressure, surely
Determine the borehole wall, prevent well slough, blowout, leakage;Transmission water-horse power, to help drill bit fractured rock;Dynamic for mud motor transmission
Power;Cooling drill bit, drilling tool;Carry out geology, gas detection logging etc. using drilling fluid, because drilling mud has above-mentioned many work(
Can, therefore higher requirement is proposed to the performance of its each side, wellbore mud density, as one of measurement index, has important
Meaning, but due to often containing crude oil, diesel oil and various oils in drilling mud and containing substantial amounts of chemical treatments, because
The test position of this drilling mud penetron is often subject to corrosive attack, and service life is severely impacted, for surpassing
High temperature resistance mud under the conditions of the high temperature such as deep-well, geothermal well is it is desirable to have higher anti-pressure ability and resistance to elevated temperatures, to preparation
Material proposes higher requirement.
The emphasis of work is exactly to study a kind of anticorrosive, anti-high pressure, the drilling mud of high temperature resistant good combination property at present
Penetron.
Content of the invention
Present invention is primarily targeted at, overcome the defect that existing wellbore mud density measuring instrument exists, and provide one
Plant New well drilling instrument for measuring density of slurry and preparation method thereof, extend instrument service life, thus more suitable for practicality, and have
There is the value in industry.
The object of the invention to solve the technical problems employs the following technical solutions to realize.Propose according to the present invention
Drilling mud penetron, include sensor control box, pressure-sensitive wireway, airway, air-source inflow hole, source of the gas
Case, test port, instrument connection and differential pressure pickup;
Described pressure-sensitive wireway one end connects described sensor control box, and the other end connects described air source box, described pressure reduction
Sensor is arranged on inside sensor control box;
Described sensor control box side is also extended with airway, and described inducing QI bottom of the tube is air-source inflow hole;
The side of described air source box is provided with test port, and described test port bottom is instrument connection;
Described test port is organic polymer composite.
Further, aforesaid drilling mud penetron, described organic polymer composite includes as follows
Component,
Further, aforesaid drilling mud penetron, described unsaturated polyester resin is vinyl esters tree
Fat, accounting is 35~62 weight portions.
Further, aforesaid drilling mud penetron, described firming agent is m-diaminobenzene. or divinyl
Triamine.
Further, aforesaid drilling mud penetron, described initiator is Dodecyl Dimethyl Amine.
Further, aforesaid drilling mud penetron, described accelerator is cobalt and n, n- dimethylaniline
Compound accelerant, wherein cobalt content be 7%~15% mass parts.
The preparation method of drilling mud penetron, the preparation method of described test port comprises the steps,
1) weigh each component material in proportion;
2) fibre reinforced materials are added in monohydric alcohol, mix and blend, ultrasonic 5~20min, dry at 100 DEG C~150 DEG C
6h, obtains surface treated fibre reinforced materials;
3) unsaturated polyester resin, firming agent, initiator, accelerator are sequentially added in high-speed mixer, mixed at high speed
Uniformly, 120 DEG C~180 DEG C are heated, standing, complete primary solidification, add surface treated fibre reinforced materials, low speed stirs
Mix;Temperature is reduced to 130 DEG C~150 DEG C and adds firming agent and initiator, is warming up to 190 DEG C~220 DEG C, standing, completes the
Two solidifications;Add polymerization inhibitor, cool to room temperature and stand 15~45 days, solidification completes;
4) by step 3) cured product addition double screw extruder melt blending pelletize;
5) by step 4) produced in the pellet that obtains through injection machine injection mo(u)lding, described test port is obtained.
Further, the preparation method of aforesaid drilling mud penetron, described monohydric alcohol be n-butyl alcohol or
Benzyl alcohol.
Further, the preparation method of aforesaid drilling mud penetron, described fibre reinforced materials are glass
Glass fiber.
Further, the preparation method of aforesaid drilling mud penetron, the primary solidification time be 5min~
40min, second step hardening time is 50min~4h.
By technique scheme, drilling mud penetron of the present invention and preparation method thereof at least has following excellent
Point:
The drilling mud penetron of the present invention, reaches the raising anti-corruption of measuring instrument by improving the material of test port
Erosion, anti-high pressure, the purpose of resistance to elevated temperatures;The material of main part of wherein test port adopts unsaturated polyester resin material, solidification
Excellent with processability, for the higher problem of its cure shrinkage, the present invention adopts m-diaminobenzene., diethylenetriamine solidification
Agent, coordinates 120 DEG C~180 DEG C of primary solidification temperature, continuously adds appropriate solidification when solidification proceeds to preliminary cohesion simultaneously
Agent and initiator, the speed of adjustment solidification;190 DEG C~220 DEG C of second solidification temperature, ensures that solidification can be entered at this temperature
Row, to maximum limit, adds glass fibre to play good toughening effect, and end-blocking effect is played in the addition of monohydric alcohol, increases
The alkali resistance corrosive nature of strong material;Firming agent-the initiator system of the present invention has good solidification effect for hot setting
Really, the test port of formation not only has good corrosion resistance, simultaneously high temperature resistant, high pressure;Effectively extend making of instrument
Use the life-span;And the present invention adds polymerization inhibitor in the final stage of curing reaction, changes the traditional preparation methods of people, in resistance
What in the presence of poly- agent, curing reaction was carried out is more thorough.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, after being described in detail such as with presently preferred embodiments of the present invention below.
Brief description
Fig. 1 show the drilling mud penetron structural representation of the present invention;
In figure labelling implication: 101. sensor control box, 102. pressure-sensitive wireways, 103. airways, 104. air-source inflows
Hole, 105. air source boxes, 106. test ports, 107. instrument connections.
Specific embodiment
For further illustrating that the present invention is to reach technological means and effect that predetermined goal of the invention is taken, to according to this
The drilling mud penetron that invention proposes and preparation method thereof its specific embodiment, feature and its effect, specifically
Bright as after.
The drilling mud penetron structural representation of the present invention, includes sensor control box as shown in Figure 1
101st, pressure-sensitive wireway 102, airway 103, air-source inflow hole 104, air source box 105, test port 106, instrument connection 107 and pressure
Gap sensor;One end of pressure-sensitive wireway 102 connects sensor control box 101, and the other end connects air source box 105, pressure difference sensing
Device is arranged on inside sensor control box 101, for measuring measured object pressure and pressure data being transferred to sensor control box
101 are processed;Sensor control box 101 side is also extended with airway 103, and airway 103 bottom is air-source inflow hole
104;The side of air source box 105 is provided with test port 106, and test port 106 bottom is instrument connection 107;Test port 106 is adopted
Prepared with organic polymer composite.
Raw material in following embodiment is all commercially available material, and unit is mass fraction.
Embodiment 1
The first preparation technology of test port:
1) weigh 45 parts of high crosslink density type epoxy vinyl ester in proportion successively, 8 parts of m-diaminobenzene., the n containing 7% cobalt,
11 parts of n- dimethylaniline, 6 parts of Dodecyl Dimethyl Amine, 5 parts of polymerization inhibitor methylene blue, 14 parts of n-butyl alcohol and glass fibre
11 parts;
2) glass fibre is added in n-butyl alcohol, mix and blend, supersound process 10min, dries 6h at 140 DEG C, obtain
Surface treated glass fibre;
3) by high crosslink density type epoxy vinyl ester, 6 parts of m-diaminobenzene., the n containing 7% cobalt, n- dimethylaniline, 12
5 parts of alkyl dimethyl tertiary amide sequentially adds in high-speed mixer, and mixed at high speed uniformly, is heated between 170 DEG C~180 DEG C, quiet
Put 20min, complete primary solidification, add surface treated glass fibre, stirring at low speed;Again temperature is reduced to 135 DEG C of left sides
The right side, adds remaining 2 parts of m-diaminobenzene .s and 1 part of Dodecyl Dimethyl Amine, continues to be heated to 210 DEG C~220 DEG C
Between, stand 2h, complete second solidification;Add methylene blue to react, subsequently cool to (25 DEG C) of room temperature and stand 35 days,
Solidification completes;
4) cured product is added double screw extruder melt blending pelletize;
5) by step 4) mixing pellet through injection machine injection mo(u)lding, prepared test port.
Embodiment 2
The second preparation technology of test port:
1) 38 parts of epoxy novolac vinyl esters, 7 parts of diethylenetriamine, the n containing 9% cobalt, n- diformazan are weighed in proportion successively
14 parts of base aniline, 5 parts of Dodecyl Dimethyl Amine, 3 parts of polymerization inhibitor p-tert-Butylcatechol, 18 parts of benzyl alcohol and glass fibers
15 parts of dimension;
2) glass fibre is added in benzyl alcohol, mix and blend, supersound process 15min, dries 6h at 130 DEG C, obtain
Surface treated glass fibre;
3) by epoxy novolac vinyl esters, 6 parts of diethylenetriamine, the n containing 9% cobalt, n- dimethylaniline, dodecyl two
5 parts of methyl tertiary amine sequentially adds in high-speed mixer, and mixed at high speed uniformly, is heated between 160 DEG C~165 DEG C, standing
13min, completes primary solidification, adds surface treated glass fibre, stirring at low speed;Again temperature is reduced to 140 DEG C about,
Add remaining 1 part of diethylenetriamine and 1 part of Dodecyl Dimethyl Amine, continue to be heated to 190 DEG C~200 DEG C it
Between, stand 3h, complete second solidification;Add p-tert-Butylcatechol to react, subsequently cool to room temperature (25 DEG C) quiet
Put 18 days, solidification completes;
4) cured product is added double screw extruder melt blending pelletize;
5) by step 4) mixing pellet through injection machine injection mo(u)lding, prepared test port.
The test port properties test result of embodiment 1 and embodiment 2 preparation is as follows:
Good combination property, high temperature resistant, toughness, intensity are had by the test port of the above-mentioned experimental verification present invention
All preferable.
The above, be only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any is familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above make a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification that above example is made, all still falls within the range of technical solution of the present invention.
Claims (5)
1. a kind of drilling mud penetron it is characterised in that: include sensor control box (101), pressure-sensitive wireway
(102), airway (103), air-source inflow hole (104), air source box (105), test port (106), instrument connection (107) and pressure reduction
Sensor;
Described pressure-sensitive wireway (102) one end connects described sensor control box (101), and the other end connects described air source box
(105), described differential pressure pickup is arranged on sensor control box (101) inside;
Described sensor control box (101) side is also extended with airway (103), and described airway (103) bottom is entered for source of the gas
Pore (104);
The side of described air source box (105) is provided with test port (106), and described test port (106) bottom is instrument connection
(107);
Described test port (106) is organic polymer composite;
Described organic polymer composite includes following component,
Described unsaturated polyester resin is vinyl ester resin;Described firming agent is m-diaminobenzene. or diethylenetriamine;Described
Initiator is Dodecyl Dimethyl Amine;Described accelerator is cobalt and n, the compound accelerant of n- dimethylaniline, wherein cobalt
Content is 7%~15% mass parts;
The concrete operation step of preparation test port is as follows:
1) weigh each component material in proportion;
2) fibre reinforced materials are added in monohydric alcohol, mix and blend, ultrasonic 5~20min, dry 6h at 100 DEG C~150 DEG C,
Obtain surface treated fibre reinforced materials;
3) unsaturated polyester resin, firming agent, initiator, accelerator, polymerization inhibitor are sequentially added in high-speed mixer, mixed at a high speed
Close uniformly, heat 120 DEG C~180 DEG C, standing, complete primary solidification, add surface treated fibre reinforced materials, low speed stirs
Mix;Temperature is reduced to 130 DEG C~150 DEG C and adds firming agent and initiator, is warming up to 190 DEG C~220 DEG C, standing, completes the
Two step solidifications;Add polymerization inhibitor, cool to room temperature and stand 15~45 days, solidification completes;
4) by step 3) cured product addition double screw extruder melt blending pelletize;
5) by step 4) produced in the pellet that obtains through injection machine injection mo(u)lding, described test port is obtained.
2. drilling mud penetron according to claim 1 preparation method it is characterised in that: test port
Preparation method comprises the steps,
1) weigh each component material in proportion;
2) fibre reinforced materials are added in monohydric alcohol, mix and blend, ultrasonic 5~20min, dry 6h at 100 DEG C~150 DEG C,
Obtain surface treated fibre reinforced materials;
3) unsaturated polyester resin, firming agent, initiator, accelerator, polymerization inhibitor are sequentially added in high-speed mixer, mixed at a high speed
Close uniformly, heat 120 DEG C~180 DEG C, standing, complete primary solidification, add surface treated fibre reinforced materials, low speed stirs
Mix;Temperature is reduced to 130 DEG C~150 DEG C and adds firming agent and initiator, is warming up to 190 DEG C~220 DEG C, standing, completes the
Two step solidifications;Add polymerization inhibitor, cool to room temperature and stand 15~45 days, solidification completes;
4) by step 3) cured product addition double screw extruder melt blending pelletize;
5) by step 4) produced in the pellet that obtains through injection machine injection mo(u)lding, described test port is obtained.
3. drilling mud penetron according to claim 2 preparation method it is characterised in that: described monohydric alcohol
For n-butyl alcohol or benzyl alcohol.
4. drilling mud penetron according to claim 2 preparation method it is characterised in that: described fiber increases
Strong material is glass fibre.
5. drilling mud penetron according to claim 2 preparation method it is characterised in that: during primary solidification
Between be 5min~40min, second step hardening time is 50min~4h.
Priority Applications (1)
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CN201410502299.0A CN104297101B (en) | 2014-09-26 | 2014-09-26 | Mud density measurement instrument for well drilling and preparation method thereof |
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CN201410502299.0A CN104297101B (en) | 2014-09-26 | 2014-09-26 | Mud density measurement instrument for well drilling and preparation method thereof |
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CN104297101A CN104297101A (en) | 2015-01-21 |
CN104297101B true CN104297101B (en) | 2017-01-25 |
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CN201410502299.0A Expired - Fee Related CN104297101B (en) | 2014-09-26 | 2014-09-26 | Mud density measurement instrument for well drilling and preparation method thereof |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108802345A (en) * | 2017-04-27 | 2018-11-13 | 北京世通科创技术有限公司 | Integral type mud measures meter specially |
CN108267565B (en) * | 2018-01-03 | 2022-03-11 | 西南石油大学 | Device and method for detecting mixing uniformity of thick oil and thin oil and performing secondary separation after mixing |
CN110903016A (en) * | 2019-11-01 | 2020-03-24 | 四川格英达环保科技有限公司 | Drilling water-based mud drying agent |
CN114324060A (en) * | 2022-01-13 | 2022-04-12 | 中铁四局集团第二工程有限公司 | Mud hydrometer for cast-in-situ bored pile |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4043193A (en) * | 1976-08-03 | 1977-08-23 | Bailey Mud Monitors Inc. | Method and apparatus for measuring volume and density of fluids in a drilling fluid system |
CN85201390U (en) * | 1985-04-09 | 1986-02-12 | 胜利油田钻井工艺研究院 | Continuous measurement device for aq. drilling slurry density |
CN2036667U (en) * | 1988-08-05 | 1989-04-26 | 华北石油管理局钻井工艺研究所 | Floating air-blown type differential densimeter |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US9134291B2 (en) * | 2012-01-26 | 2015-09-15 | Halliburton Energy Services, Inc. | Systems, methods and devices for analyzing drilling fluid |
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2014
- 2014-09-26 CN CN201410502299.0A patent/CN104297101B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4043193A (en) * | 1976-08-03 | 1977-08-23 | Bailey Mud Monitors Inc. | Method and apparatus for measuring volume and density of fluids in a drilling fluid system |
CN85201390U (en) * | 1985-04-09 | 1986-02-12 | 胜利油田钻井工艺研究院 | Continuous measurement device for aq. drilling slurry density |
CN2036667U (en) * | 1988-08-05 | 1989-04-26 | 华北石油管理局钻井工艺研究所 | Floating air-blown type differential densimeter |
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